<script lang="ts" setup name="HomeBrand">
import HomePanel from './home-panel.vue'
import useStore from "@/store/index"
import HomeSkeleton from "./home-skeleton.vue" //骨架组件

import { useLazyData } from "@/utils/hooks"
import { ref } from 'vue';
const { home } = useStore()
//target 绑定页面元素
const target = useLazyData(()=>{
  home.getBrandList()
})
//点击左右按钮，移动
const index =ref(0)
const prevClick=()=>{
  if(index.value === 0) return
  index.value--

}
const nextClick=()=>{
  if(index.value === Math.ceil(home.brandList.length / 5)-1) return
  index.value++
}
</script>

<template>
  <HomePanel ref="target" title="热门品牌" sub-title="国际经典 品质保证">
    <template v-slot:right>
      <a href="javascript:;" class="iconfont icon-angle-left prev"
      @click="prevClick"
      :class="{ disabled :index === 0}"
      ></a>
      <a href="javascript:;" class="iconfont icon-angle-right next"
      @click="nextClick"
      :class="{ disabled :index === Math.ceil(home.brandList.length / 5)-1}"
      ></a>
    </template>
    <div class="box" ref="box">
        <Transition  name="fade">
        <ul class="list" v-if="home.brandList.length > 0"
      :style="{
        transform:`translateX(${-index * 1240}px)`,
        width:Math.ceil(home.brandList.length / 5) * 100 + '%',
      }"
        >
            <li v-for="i in home.brandList" :key="i.id">
                <RouterLink to="/">
                <img
                :src="i.picture"
                alt=""
                />
                </RouterLink>
            </li>
        </ul>
        <div v-else class="skeleton">
            <XtxSkeleton
                class="item"
                v-for="i in 5"
                :key="i"
                animated
                bg="#e4e4e4"
                :width="240"
                :height="305"
                />
           </div>
     </Transition>
    </div>
  </HomePanel>
</template>

<style scoped lang="less">
.home-panel {
  background: #f5f5f5;
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: @xtxColor;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px;
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
      }
    }
  }
  .skeleton {
  width: 100%;
  display: flex;
  .item {
    margin-right: 10px;
    &:nth-child(5n) {
      margin-right: 0;
    }
  }
}
}
</style>

